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Individual Calculations October 2021 |
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| Chen, Ryan Zilu Total change: 5.20 | |   |
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| 143rd Annual New York State Championship - Under 2100 | Albany, New York | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1583 | 2.00 | 5 | 0.13 | 40 | 5.20 | |
|  Hoffman, Luc William Crim | | | 1766 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Sperber, Ronald D | | | 1682 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Goodman, Hayes N | | | 1563 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Chua, Cyril | | | 1519 | SGP | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Wilson, Dwayne E | | | 1911 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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